[android] build the Android App in GH jobs

.github/workflows/android.yaml

@@ -28,11 +28,12 @@ jobs:
 
         env:
             BUILD_TYPE: android_${{ matrix.type }}
+            TARGET_CPU: ${{ matrix.type }}
 
         runs-on: ubuntu-latest
 
         container:
-            image: connectedhomeip/chip-build-android:0.4.12
+            image: connectedhomeip/chip-build-android:0.4.13
             volumes:
                 - "/tmp/log_output:/tmp/test_logs"
 
@@ -43,10 +44,11 @@ jobs:
                   submodules: true
             - name: Bootstrap
               run: scripts/build/gn_bootstrap.sh
-            - name: Setup Build
+            - name: Build libs
               run: |
-                  GN_ARGS="is_clang=true target_os=\"android\" target_cpu=\"${{ matrix.type }}\" android_ndk_root=\"/opt/android/android-ndk-r21b\" android_sdk_root=\"/opt/android/sdk\""
-                  scripts/build/gn_gen.sh --args="$GN_ARGS"
-            - name: Run Build
+                  ./scripts/examples/android_app.sh
+            - name: Build App
               run: |
-                  scripts/build/gn_build.sh
+                  yes | "$ANDROID_HOME"/tools/bin/sdkmanager --licenses
+                  cd src/android/CHIPTool
+                  ./gradlew build

scripts/examples/android_app.sh

@@ -0,0 +1,47 @@
+#!/usr/bin/env bash
+
+#
+#    Copyright (c) 2020 Project CHIP Authors
+#
+#    Licensed under the Apache License, Version 2.0 (the "License");
+#    you may not use this file except in compliance with the License.
+#    You may obtain a copy of the License at
+#
+#        http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS,
+#    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#    See the License for the specific language governing permissions and
+#    limitations under the License.
+#
+
+set -x
+env
+
+if [ -z "$ANDROID_HOME" ]; then
+    echo "ANDROID_HOME not set!"
+    exit 1
+fi
+
+if [ -z "$ANDROID_NDK_HOME" ]; then
+    echo "ANDROID_NDK_HOME not set!"
+    exit 1
+fi
+
+if [ -z "$TARGET_CPU" ]; then
+    echo "TARGET_CPU not set! Candidates: arm, arm64, x86 and x64."
+    exit 1
+fi
+
+# Build shared CHIP libs
+source scripts/activate.sh
+gn gen out/"android_$TARGET_CPU" --args="target_os=\"android\" target_cpu=\"$TARGET_CPU\" android_ndk_root=\"$ANDROID_NDK_HOME\" android_sdk_root=\"$ANDROID_HOME\""
+ninja -C out/"android_$TARGET_CPU" src/setup_payload/java src/controller/java
+
+rsync -a out/"android_$TARGET_CPU"/lib/*.jar src/android/CHIPTool/app/libs
+rsync -a out/"android_$TARGET_CPU"/lib/jni/* src/android/CHIPTool/app/src/main/jniLibs
+
+# Build ot-commissioner libs
+git submodule update --init --recursive third_party/ot-commissioner/repo
+TARGET_CPU=arm64 ./third_party/ot-commissioner/build-android-libs.sh

src/android/CHIPTool/README.md

@@ -14,11 +14,9 @@ Pre-conditions: Have Android SDK & NDK downloaded to your machine. Set the
 \$ANDROID_NDK_HOME environment variable to point to the NDK package is
 downloaded.
 
-Make sure that JAVA_HOME is set to the correct path.
+ABIs and corresponding values for `TARGET_CPU`
 
-ABIs and corresponding values for `target_cpu`
-
-| ABI         | target_cpu |
+| ABI         | TARGET_CPU |
 | ----------- | ---------- |
 | armeabi-v7a | arm        |
 | arm64-v8a   | arm64      |
@@ -29,33 +27,11 @@ ABIs and corresponding values for `target_cpu`
 
 2. In commandline / Terminal, 'cd' into the top CHIP directory and run
 
-    ```shell
-    source scripts/activate.sh
-    gn gen out/android_arm64 --args="target_os=\"android\" target_cpu=\"arm64\" android_ndk_root=\"${ANDROID_NDK_HOME}\" android_sdk_root=\"${ANDROID_HOME}\""
-    ninja -C out/android_arm64 src/setup_payload/java src/controller/java
-    ```
-
-    See table above for other values of `target_cpu`.
-
-3. You should see the generated SetupPayloadParser.jar under
-   `out/android_arm64/lib` and libSetupPayloadParser.so under
-   `out/android_arm64/lib/jni/arm64-v8a` in the output directory.
-
-4. Copy the .jar and .so files into the Android project:
-
-```shell
-rsync -a out/android_arm64/lib/*.jar src/android/CHIPTool/app/libs
-rsync -a out/android_arm64/lib/jni/* src/android/CHIPTool/app/src/main/jniLibs
-```
-
-5. Build OT Commissioner
-
     ```shell
     sudo apt-get install -y swig # "brew install swig" for macOS.
-
-    git submodule update --init --recursive third_party/ot-commissioner/repo
-    ABI=arm64-v8a API=21 ./third_party/ot-commissioner/build-android-libs.sh
-    ## JAR and .so libraries will be copy to target directories.
+    TARGET_CPU=arm64 ./scripts/examples/android_app.sh
     ```
 
-6. 'Gradle sync' the Android project and run.
+    See table above for other values of `TARGET_CPU`.
+
+3. 'Gradle sync' the Android project and run.

third_party/ot-commissioner/build-android-libs.sh

@@ -4,14 +4,35 @@ readonly CUR_DIR="$(dirname "$(realpath -s "$0")")"
 
 set -e
 
+case "$TARGET_CPU" in
+    arm)
+        TARGET_ABI="armeabi-v7a"
+        ;;
+    arm64)
+        TARGET_ABI="arm64-v8a"
+        ;;
+    x86)
+        TARGET_ABI="x86"
+        ;;
+    x64)
+        TARGET_ABI="x86-64"
+        ;;
+    *)
+        echo "invalid TARGET_CPU value: $TARGET_CPU"
+        exit 1
+        ;;
+esac
+
+readonly BUILD_DIR=".build_$TARGET_CPU"
+
 cd "$CUR_DIR"
 
-mkdir -p build && cd build
+mkdir -p "$BUILD_DIR" && cd "$BUILD_DIR"
 cmake -GNinja \
     -DCMAKE_TOOLCHAIN_FILE="$ANDROID_NDK_HOME"/build/cmake/android.toolchain.cmake \
-    -DANDROID_ABI="$ABI" \
+    -DANDROID_ABI="$TARGET_ABI" \
     -DANDROID_ARM_NEON=ON \
-    -DANDROID_NATIVE_API_LEVEL="$API" \
+    -DANDROID_NATIVE_API_LEVEL=24 \
     -DBUILD_SHARED_LIBS=OFF \
     -DCMAKE_CXX_STANDARD=11 \
     -DCMAKE_CXX_STANDARD_REQUIRED=ON \
@@ -26,17 +47,17 @@ cmake -GNinja \
 ninja
 cd ../
 
-rm -rf libs && mkdir -p libs
+rm -rf "$BUILD_DIR"/libs && mkdir -p "$BUILD_DIR"/libs
 
 ## Create JAR library
-javac -source 8 -target 8 build/src/java/io/openthread/commissioner/*.java
+javac -source 8 -target 8 "$BUILD_DIR"/src/java/io/openthread/commissioner/*.java
 
-cd build/src/java
-find ./io/openthread/commissioner -name "*.class" | xargs jar cvf ../../../libs/libotcommissioner.jar
+cd "$BUILD_DIR"/src/java
+find ./io/openthread/commissioner -name "*.class" | xargs jar cvf ../../libs/libotcommissioner.jar
 cd ../../../
 
 ## Copy shared native libraries
-cp ./build/src/java/libcommissioner-java.so libs
+rsync -a "$BUILD_DIR"/src/java/libcommissioner-java.so "$BUILD_DIR"/libs
 
-cp libs/libotcommissioner.jar ../../src/android/CHIPTool/app/libs
-cp libs/*.so ../../src/android/CHIPTool/app/src/main/jniLibs/"$ABI"
+rsync -a "$BUILD_DIR"/libs/libotcommissioner.jar ../../src/android/CHIPTool/app/libs
+rsync -a "$BUILD_DIR"/libs/*.so ../../src/android/CHIPTool/app/src/main/jniLibs/"$TARGET_ABI"